From 5436a54332c19df0acbef2b87cbf9f7cba56f2dd Mon Sep 17 00:00:00 2001 From: Pu Lehui Date: Wed, 15 Jan 2025 10:02:39 +0000 Subject: [PATCH] libbpf: Fix return zero when elf_begin failed The error number of elf_begin is omitted when encapsulating the btf_find_elf_sections function. Fixes: c86f180ffc99 ("libbpf: Make btf_parse_elf process .BTF.base transparently") Signed-off-by: Pu Lehui Signed-off-by: Andrii Nakryiko Link: https://lore.kernel.org/bpf/20250115100241.4171581-2-pulehui@huaweicloud.com --- tools/lib/bpf/btf.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/lib/bpf/btf.c b/tools/lib/bpf/btf.c index a4ae2df68b914..48c66f3a92002 100644 --- a/tools/lib/bpf/btf.c +++ b/tools/lib/bpf/btf.c @@ -1186,6 +1186,7 @@ static struct btf *btf_parse_elf(const char *path, struct btf *base_btf, elf = elf_begin(fd, ELF_C_READ, NULL); if (!elf) { + err = -LIBBPF_ERRNO__FORMAT; pr_warn("failed to open %s as ELF file\n", path); goto done; } -- 2.47.2